Home / 53,638.80-80,437.60-25,537.20

Finding the Fourth Proportional to 53,638.80, 80,437.60 and 25,537.20

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Solution

The fourth proportional to 53,638.80, 80,437.60 and 25,537.20 is: 38,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.80 : 80,437.60 = 25,537.20 : x
  2. Step 2: Convert to fraction form
    53,638.80/80,437.60 = 25,537.20/x
  3. Step 3: Cross multiply
    53,638.80x = 80,437.60 × 25,537.20
  4. Step 4: Simplify right side
    53,638.80x = 2,054,151,078.72
  5. Step 5: Solve for x
    x = 2,054,151,078.72/53,638.80
  6. Step 6: Final answer
    x = 38,295.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.